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Cannot Create the Secure IPP Printing Port
The correct certicate is not specied as the server certicate for SSL/TLS communication.
If the specied certicate is not correct, creating a port may fail. Make sure you are using the correct certicate.
The CA certicate is not imported to the computer accessing the printer.
If a CA certicate is not imported to the computer, creating a port may fail. Make sure a CA certicate is imported.
Related Information
&“Conguring a Server Certicate for the Printer” on page 456
Cannot Connect After Conguring IPsec/IP Filtering
The settings of IPsec/IP Filtering are incorrect.
Disable IPsec/IP ltering from the printer’s control panel. Connect the printer and computer and make the
IPsec/IP Filtering settings again.
Related Information
&“Encrypted Communication Using IPsec/IP Filtering” on page 457
Cannot Access the Printer or Scanner after Conguring IEEE802.1X
The settings of IEEE802.1X are incorrect.
Disable IEEE802.1X and Wi-Fi from the printer’s control panel. Connect the printer and a computer, and then
congure IEEE802.1X again.
Related Information
&“Conguring an IEEE802.1X Network” on page 469
Problems on Using a Digital Certicate
Cannot Import a CA-signed Certicate
CA-signed Certicate and the information on the CSR do not match.
If the CA-signed Certicate and CSR do not have the same information, the CSR cannot be imported. Check the
following:
Are you trying to import the certicate to a device that does not have the same information?
Check the information of the CSR and then import the certicate to a device that has the same information.
Did you overwrite the CSR saved into the printer aer sending the CSR to a certicate authority?
Obtain the CA-signed certicate again with the CSR.
Administrator Information
>
Advanced Security Settings
>
Solving Problems for Advanced Security
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